Home / 10,278,004.70-15,417,007.05-9,333,220.70

Finding the Fourth Proportional to 10,278,004.70, 15,417,007.05 and 9,333,220.70

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Solution

The fourth proportional to 10,278,004.70, 15,417,007.05 and 9,333,220.70 is: 13,999,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,004.70 : 15,417,007.05 = 9,333,220.70 : x
  2. Step 2: Convert to fraction form
    10,278,004.70/15,417,007.05 = 9,333,220.70/x
  3. Step 3: Cross multiply
    10,278,004.70x = 15,417,007.05 × 9,333,220.70
  4. Step 4: Simplify right side
    10,278,004.70x = 143,890,329,331,105.94
  5. Step 5: Solve for x
    x = 143,890,329,331,105.94/10,278,004.70
  6. Step 6: Final answer
    x = 13,999,831.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.